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MATHEMATICIAN

Karol Borsuk

1905 - 1982

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Karol Borsuk (8 May 1905 – 24 January 1982) was a Polish mathematician. His main interest was topology, while he obtained significant results also in functional analysis. Borsuk introduced the theory of absolute retracts (ARs) and absolute neighborhood retracts (ANRs), and the cohomotopy groups, later called Borsuk–Spanier cohomotopy groups. Read more on Wikipedia

Since 2007, the English Wikipedia page of Karol Borsuk has received more than 48,810 page views. His biography is available in 19 different languages on Wikipedia. Karol Borsuk is the 567th most popular mathematician (down from 531st in 2019), the 759th most popular biography from Poland (down from 681st in 2019) and the 25th most popular Polish Mathematician.

Memorability Metrics

  • 49k

    Page Views (PV)

  • 49.50

    Historical Popularity Index (HPI)

  • 19

    Languages Editions (L)

  • 5.36

    Effective Languages (L*)

  • 2.05

    Coefficient of Variation (CV)

Page views of Karol Borsuks by language


Among MATHEMATICIANS

Among mathematicians, Karol Borsuk ranks 567 out of 823. Before him are Claude Gaspard Bachet de Méziriac, Chen Jingrun, Jean-Marie Duhamel, Dai Zhen, Beppo Levi, and Benjamin Peirce. After him are Jean Frédéric Frenet, Charles Jean de la Vallée Poussin, William Burnside, Gino Fano, Hillel Furstenberg, and Nilakantha Somayaji.

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Contemporaries

Among people born in 1905, Karol Borsuk ranks 191. Before him are Fumiko Enchi, Markos Vamvakaris, Nise da Silveira, Conduelo Píriz, Xian Xinghai, and Luis Vargas Peña. After him are Oleksandr Korniychuk, Anton Ackermann, Shojiro Sugimura, Leila Hyams, Mary Renault, and Rózsa Péter. Among people deceased in 1982, Karol Borsuk ranks 149. Before him are Konrad Wolf, Federico Moreno Torroba, Vladimir Smirnov, Johan Wilhelm Rangell, Juan O'Gorman, and Cathleen Nesbitt. After him are Maria Jeritza, Lightnin' Hopkins, Antonio Guzmán Fernández, Josef Bradl, Ludwig Bieberbach, and Hal Foster.

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Others Deceased in 1982

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In Poland

Among people born in Poland, Karol Borsuk ranks 759 out of 1,454. Before him are Anita Lasker-Wallfisch (1925), Hans Baluschek (1870), Tadeusz Konwicki (1926), Johann Christian Günther (1695), Władysław Grabski (1874), and Juliusz Kossak (1824). After him are Eugen Schüfftan (1893), Wilhelm Julius Foerster (1832), Hermann Boehm (1884), Włodzimierz Smolarek (1957), Edward Lasker (1885), and Henner Henkel (1915).

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Among MATHEMATICIANS In Poland

Among mathematicians born in Poland, Karol Borsuk ranks 25. Before him are Michael O. Rabin (1931), Charles Proteus Steinmetz (1865), Lazarus Fuchs (1833), Samuel Eilenberg (1913), Abraham Robinson (1918), and Martin Kutta (1867). After him are Moritz Pasch (1843), Alfred Pringsheim (1850), Jan Śniadecki (1756), Heinz Hopf (1894), Paul Gordan (1837), and Otto Toeplitz (1881).

Polish born Mathematicians

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